from Stack import Stack
from Queue import Queue
# importa pila y fila
inf = list(input('inserte string: '))
ops = {'R': 3, '^': 3, '/': 2, '*': 2, '+': 1, '-': 1, ')': 4}
que = Queue()
stk = Stack()
indx = 0
for item in inf:
if item.isnumeric():
que._Push(item)
elif item in ops:
if ops.get(item) == 4:
for i in range(stk._getLen()):
que._Push(stk._Pop())
elif stk._getLast() == None:
stk._Push(item)
else:
if ops.get(item) > ops.get(stk._getLast()):
stk._Push(item)
elif ops.get(item) < ops.get(stk._getLast()):
for i in range(stk._getLen()):
que._Push(stk._Pop())
